13234454565 has 16 divisors (see below), whose sum is σ = 21176662848. Its totient is φ = 7057863936.

The previous prime is 13234454507. The next prime is 13234454567. The reversal of 13234454565 is 56545443231.

It is not a de Polignac number, because 13234454565 - 2⁹ = 13234454053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13234454567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 279762 + ... + 323628.

It is an arithmetic number, because the mean of its divisors is an integer number (1323541428).

Almost surely, 2^13234454565 is an apocalyptic number.

13234454565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13234454565 is a deficient number, since it is larger than the sum of its proper divisors (7942208283).

13234454565 is a wasteful number, since it uses less digits than its factorization.

13234454565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63988.

The product of its digits is 864000, while the sum is 42.

Adding to 13234454565 its reverse (56545443231), we get a palindrome (69779897796).

The spelling of 13234454565 in words is "thirteen billion, two hundred thirty-four million, four hundred fifty-four thousand, five hundred sixty-five".